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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1618 (Engine Mechanical - 4.3L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Cylinder Head Replacement - Right >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra and 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM .
  2. Remove the generator bracket.
  3. Remove the intake manifold. Refer to Intake Manifold Replacement - Lower .
    Fig 1: Removing Generator Bracket Stud From Cylinder Head
    G02105906Courtesy of GENERAL MOTORS CORP.
  4. Remove the right exhaust manifold. Refer to EXHAUST MANIFOLD REPLACEMENT - RIGHT (4.3L ENGINE) .
  5. Remove the right pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .
  6. Remove the generator bracket stud from the cylinder head.
  7. Remove the spark plugs.
    Fig 2: Spark Plug
    G02105907Courtesy of GENERAL MOTORS CORP.
  8. Remove the spark plug wire support bolts and support.
    Fig 3: Spark Plug Wire Support & Bolts
    G02105908Courtesy of GENERAL MOTORS CORP.
  9. Remove the cylinder head bolts.
    Fig 4: Cylinder Head Bolts
    G02105909Courtesy of GENERAL MOTORS CORP.
  10. Remove the cylinder head.
    Fig 5: Cylinder Head
    G02105910Courtesy of GENERAL MOTORS CORP.
  11. Remove and discard the cylinder head gasket.
    Fig 6: Cylinder Head Gasket
    G02105911Courtesy of GENERAL MOTORS CORP.
  12. Remove the cylinder head locator pins, if necessary.
  13. Clean and inspect the cylinder head, if necessary. Refer to Cylinder Head Cleaning and Inspection .
  14. Disassemble the cylinder head, if necessary. Refer to Cylinder Head Disassemble .
    Fig 7: Cylinder Head Locator Pins
    G02105912Courtesy of GENERAL MOTORS CORP.